The Indian Peninsular Drainage System consists of the Himalayan system in the North and Peninsular system in the South.
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Main Body
The Indian Peninsular Drainage System consists of the Himalayan system in the North and Peninsular system in the South. Both are crucial for water needs of 1.4 billion people. Salient differences between Himalayan and Peninsular drainage system: (1) Perennial - Himalayan: Yes. Peninsular: No - Ephemeral/Seasonal. (2) Source - Himalayan: Glacious (Himalayas). Peninsular: Rainfall driven. (3) Flow - Himalayan: Antecedent against slope. Peninsular: Along slope. (4) Watershed: Himalayan: Younger river. Peninsular: Older river. (5) Age - Himalayan: Younger river. Peninsular: Older river. (6) Landform created - Himalayan: V-shaped valley (Ruhe). Peninsular: Alluvial plains. Large deltas (Sundarbans). (7) Broader - Gandicek canyon - fluvian plains.
— PRACHET · AIR 193
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Diagram
Map showing the drainage system of India with labeled rivers including Himalayan and Peninsular systems, showing various river basins and their distribution